For years and years and years people have talked about tunnels under Sheffield but do they really exist ?
The one from Sheffield Castle to the Old Queens Head in Pond Street is the most famous of course, many people claim to have seen it but no proof exists and indeed the council denies this outright, saying that if you think about it it would have been an impossible task to work through solid rock, down a hill and under a river in those days.
When you look at the modern machinery and